Coleman 18W Solar Battery Charger deal

BrentB

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use the power of the sun to keep your batteries charged with the Coleman Solar Batter Charger. This rigid 18 watt Coleman Solar Charger battery kit provides up to 1.2 amps of charging power for your 12 volt batteries. This Coleman Charger is ideal to use for your RV, ATV, boat, deer feeder or have in your emergency solar power kit. The Coleman Solar Battery Charger features maintenance free, easy installation and comes with pre-cut holes, battery clamps, 4 stainless steel screws, a CLA adapter, a 12 volt plug and 12 feet of wire. You can simply plug your batteries to the charger using the included plugs and wiring. The Coleman Solar Charger works in all weather conditions and can be used in a wide temperature range. The ultra bright blue LED light provides charging indication and the built-in blocking diode protects battery discharge at night. Made of ABS plastic and am amorphous solar cell, the Coleman Solar Battery Charger is a durable, multipurpose solar charger.

Coleman 18W Solar Battery Charge:

Power: 18W
Type of cell: amorphous solar
Frame: ABS plastic
Voltage: 12V
Temperature: -40 to 176 degrees F
Dimensions: 42.5" L x 3" W x 16" H
Amperage: 1.2
Weight: 10.8 lbs.
Model# 58032

$ 84

see
http://www.walmart.com/ip/Coleman-58032 ... 10&veh=aff
 
Friends dont let friends support Walmart . The enemy of small business in America and the world.
Here is a better deal.
Marc
 
Thanks Marc

ToolFetch has several poor online reviews and a B+ rating from BBB
 
Marc,
I heard a rumor that WalMart was coming to the new Port St. Joe Development--along with the high end Destin Type of Mall!

This product looks to be a good item; but I wonder how one would use it?
It would be best used with a small controller (another $20 to $30) to avoid over charging--and is larger than one needs just for battery maintenance. (I have used the $20 to $ 30 solar panel (not requiring a controller) for each group 24 to 31 battery for vehicles and boats in storage. These units are about 125 mA or 1.8 watts. For my RV I have a 180 Watt solar panel, and that is enough to actually keep larger batteries charged up and run appliances, such as fans, TV, radio etc. (Of course at a steeper price, and with a larger controller).

A rule of thumb is that if you multiply the solar panel capacity and multiple x 100 and that would be equal to the size of battery it can maintain. Ie, the 125 mA solar panel would maintain a 125 Amp hour battery (group 31).

A 1000 mA (1 amp) solar pannel--as the one noted by this post--it would be good for a bank of 1000 amp hour battery, or this would be equal maintaining to 4 group 8D or 8 Golf Carts.

To determine the size of solar panel you may need, add up the draw of each appliance or light you plan to run, and the amount of time you run it.
For example to run a freezer like the Waeco I have--it requires about an average of 50 amp hours per day at Powell in Sept. This would equate to a solar panel of about 180 watts (or 10x the size of the panel in this post), The output of the solar panel would depend on latitude, time of the year, amount of cloud cover, any shading etc. An 18 watt panel would give about 5 amp hours-enough to run a few lights and a small fan at night for a few hours --again depending on the draw of the appliances.
 
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